n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 57 |
4 | 736 |
5 | 11985 |
6 | 235296 |
7 | 5403937 |
8 | 142073856 |
9 | 4206560769 |
10 | 138483596800 |
11 | 5017244970441 |
12 | 198363105460224 |
13 | 8498001799768273 |
14 | 392127481640165376 |
15 | 19388814120804416625 |
16 | 1022681739669784231936 |
17 | 57317273018414456262273 |
18 | 3401527253966521309200384 |
[1,1,6,57,736,11985,235296,5403937,142073856, 4206560769,138483596800,5017244970441, 198363105460224,8498001799768273, 392127481640165376,19388814120804416625, 1022681739669784231936,57317273018414456262273, 3401527253966521309200384] |